UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OUN6+4HcRcRylZCAQ9EAfk13tMOxtVbKmSnkSEdETNU=' 
WHERE 
  key_id = '6c5f363109b94619e0bd8cc557feeea870a10877f443c86f7204fab9cdeccdf8' 
  AND (
    token = 'OUN6+4HcRcRylZCAQ9EAfk13tMOxtVbKmSnkSEdETNU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )